Set the loop output value SDK

设置循环输出值主要解决流程引擎没有局部变量的问题，要将循环结果按照循环次数依次带出循环体。

General usage of setting loop output values

In each loop, add the data of the loop to the loop slot.

Outside the cycle body, the impact of the sorted cycle is obtained through the Output of the cycle node.